function bp_group_status_message( $group = null ) {
	global $groups_template;

	// Group not passed so look for loop.
	if ( empty( $group ) ) {
		$group =& $groups_template->group;
	}

	// Group status is not set (maybe outside of group loop?).
	if ( empty( $group->status ) ) {
		$message = __( 'This group is not currently accessible.', 'buddypress' );

	// Group has a status.
	} else {
		switch( $group->status ) {

			// Private group.
			case 'private' :
				if ( ! bp_group_has_requested_membership( $group ) ) {
					if ( is_user_logged_in() ) {
						if ( bp_group_is_invited( $group ) ) {
							$message = __( 'You must accept your pending invitation before you can access this private group.', 'buddypress' );
						} else {
							$message = __( 'This is a private group and you must request group membership in order to join.', 'buddypress' );
						}
					} else {
						$message = __( 'This is a private group. To join you must be a registered site member and request group membership.', 'buddypress' );
					}
				} else {
					$message = __( 'This is a private group. Your membership request is awaiting approval from the group administrator.', 'buddypress' );
				}

				break;

			// Hidden group.
			case 'hidden' :
			default :
				$message = __( 'This is a hidden group and only invited members can join.', 'buddypress' );
				break;
		}
	}

	/**
	 * Filters a message if the group is not visible to the current user.
	 *
	 * This will be true if it is a hidden or private group, and the user does not have access.
	 *
	 * @since 1.6.0
	 *
	 * @param string $message Message to display to the current user.
	 * @param object $group   Group to get status message for.
	 */
	echo apply_filters( 'bp_group_status_message', $message, $group );
}